#include "system.h"
#include <header_internal.h>
#include "debug.h"
Go to the source code of this file.
Data Structures | ||||
struct | headerIterator_s | |||
Header tag iterator data structure. More... | ||||
struct | headerSprintfArgs_s | |||
Defines | ||||
#define | __HEADER_PROTOTYPES__ | |||
#define | PARSER_BEGIN 0 | |||
#define | PARSER_IN_ARRAY 1 | |||
#define | PARSER_IN_EXPR 2 | |||
#define | hdrchkTags(_ntags) ((_ntags) & 0xffff0000) | |||
Sanity check on no. | ||||
#define | hdrchkType(_type) ((_type) < RPM_MIN_TYPE || (_type) > RPM_MAX_TYPE) | |||
Sanity check on type values. | ||||
#define | hdrchkData(_nbytes) ((_nbytes) & 0xff000000) | |||
Sanity check on data size and/or offset and/or count. | ||||
#define | hdrchkAlign(_type, _off) ((_off) & (typeAlign[_type]-1)) | |||
Sanity check on alignment for data type. | ||||
#define | hdrchkRange(_dl, _off) ((_off) < 0 || (_off) > (_dl)) | |||
Sanity check on range of data offset. | ||||
Typedefs | ||||
typedef headerSprintfArgs_s * | headerSprintfArgs | |||
Functions | ||||
static void * | _free (const void *p) | |||
Wrapper to free(3), hides const compilation noise, permit NULL, return NULL. | ||||
static Header | headerLink (Header h) | |||
Reference a header instance. | ||||
static Header | headerUnlink (Header h) | |||
Dereference a header instance. | ||||
static Header | headerFree (Header h) | |||
Dereference a header instance. | ||||
static Header | headerNew (void) | |||
Create new (empty) header instance. | ||||
static int | indexCmp (const void *avp, const void *bvp) | |||
static void | headerSort (Header h) | |||
Sort tags in header. | ||||
static int | offsetCmp (const void *avp, const void *bvp) | |||
static void | headerUnsort (Header h) | |||
Restore tags in header to original ordering. | ||||
static unsigned int | headerSizeof (Header h, enum hMagic magicp) | |||
Return size of on-disk header representation in bytes. | ||||
static int | dataLength (int_32 type, hPTR_t p, int_32 count, int onDisk, hPTR_t pend) | |||
Return length of entry data. | ||||
static int | regionSwab (indexEntry entry, int il, int dl, entryInfo pe, unsigned char *dataStart, const unsigned char *dataEnd, int regionid) | |||
Swap int_32 and int_16 arrays within header region. | ||||
static void * | doHeaderUnload (Header h, int *lengthPtr) | |||
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static void * | headerUnload (Header h) | |||
Convert header to on-disk representation. | ||||
static indexEntry | findEntry (Header h, int_32 tag, int_32 type) | |||
Find matching (tag,type) entry in header. | ||||
static int | headerRemoveEntry (Header h, int_32 tag) | |||
Delete tag in header. | ||||
static Header | headerLoad (void *uh) | |||
Convert header to in-memory representation. | ||||
static Header | headerReload (Header h, int tag) | |||
Convert header to on-disk representation, and then reload. | ||||
static Header | headerCopyLoad (const void *uh) | |||
Make a copy and convert header to in-memory representation. | ||||
static Header | headerRead (FD_t fd, enum hMagic magicp) | |||
Read (and load) header from file handle. | ||||
static int | headerWrite (FD_t fd, Header h, enum hMagic magicp) | |||
Write (with unload) header to file handle. | ||||
static int | headerIsEntry (Header h, int_32 tag) | |||
Check if tag is in header. | ||||
static int | copyEntry (const indexEntry entry, hTYP_t type, hPTR_t *p, hCNT_t c, int minMem) | |||
Retrieve data from header entry. | ||||
static int | headerMatchLocale (const char *td, const char *l, const char *le) | |||
Does locale match entry in header i18n table? | ||||
static char * | headerFindI18NString (Header h, indexEntry entry) | |||
Return i18n string from header that matches locale. | ||||
static int | intGetEntry (Header h, int_32 tag, hTAG_t type, hPTR_t *p, hCNT_t c, int minMem) | |||
Retrieve tag data from header. | ||||
static void * | headerFreeTag (Header h, const void *data, rpmTagType type) | |||
Free data allocated when retrieved from header. | ||||
static int | headerGetEntry (Header h, int_32 tag, hTYP_t type, void **p, hCNT_t c) | |||
Retrieve tag value. | ||||
static int | headerGetEntryMinMemory (Header h, int_32 tag, hTYP_t type, hPTR_t *p, hCNT_t c) | |||
Retrieve tag value using header internal array. | ||||
int | headerGetRawEntry (Header h, int_32 tag, int_32 *type, hPTR_t *p, int_32 *c) | |||
static void | copyData (int_32 type, void *dstPtr, const void *srcPtr, int_32 cnt, int dataLength) | |||
static void * | grabData (int_32 type, hPTR_t p, int_32 c, int *lengthPtr) | |||
Return (malloc'ed) copy of entry data. | ||||
static int | headerAddEntry (Header h, int_32 tag, int_32 type, const void *p, int_32 c) | |||
Add tag to header. | ||||
static int | headerAppendEntry (Header h, int_32 tag, int_32 type, const void *p, int_32 c) | |||
Append element to tag array in header. | ||||
static int | headerAddOrAppendEntry (Header h, int_32 tag, int_32 type, const void *p, int_32 c) | |||
Add or append element to tag array in header. | ||||
static int | headerAddI18NString (Header h, int_32 tag, const char *string, const char *lang) | |||
Add locale specific tag to header. | ||||
static int | headerModifyEntry (Header h, int_32 tag, int_32 type, const void *p, int_32 c) | |||
Modify tag in header. | ||||
static char | escapedChar (const char ch) | |||
static sprintfToken | freeFormat (sprintfToken format, int num) | |||
Destroy headerSprintf format array. | ||||
static HeaderIterator | headerFreeIterator (HeaderIterator hi) | |||
Destroy header tag iterator. | ||||
static HeaderIterator | headerInitIterator (Header h) | |||
Create header tag iterator. | ||||
static int | headerNextIterator (HeaderIterator hi, hTAG_t tag, hTYP_t type, hPTR_t *p, hCNT_t c) | |||
Return next tag from header. | ||||
static Header | headerCopy (Header h) | |||
Duplicate a header. | ||||
static headerSprintfArgs | hsaInit (headerSprintfArgs hsa) | |||
Initialize an hsa iteration. | ||||
static sprintfToken | hsaNext (headerSprintfArgs hsa) | |||
Return next hsa iteration item. | ||||
static headerSprintfArgs | hsaFini (headerSprintfArgs hsa) | |||
Finish an hsa iteration. | ||||
static char * | hsaReserve (headerSprintfArgs hsa, size_t need) | |||
Reserve sufficient buffer space for next output value. | ||||
static const char * | myTagName (headerTagTableEntry tbl, int val) | |||
Return tag name from value. | ||||
static int | myTagValue (headerTagTableEntry tbl, const char *name) | |||
Return tag value from name. | ||||
static int | findTag (headerSprintfArgs hsa, sprintfToken token, const char *name) | |||
| ||||
static int | parseExpression (headerSprintfArgs hsa, sprintfToken token, char *str, char **endPtr) | |||
| ||||
static int | parseFormat (headerSprintfArgs hsa, char *str, sprintfToken *formatPtr, int *numTokensPtr, char **endPtr, int state) | |||
| ||||
static int | getExtension (headerSprintfArgs hsa, headerTagTagFunction fn, hTYP_t typeptr, hPTR_t *data, hCNT_t countptr, rpmec ec) | |||
Call a header extension only once, saving results. | ||||
static char * | formatValue (headerSprintfArgs hsa, sprintfTag tag, int element) | |||
| ||||
static char * | singleSprintf (headerSprintfArgs hsa, sprintfToken token, int element) | |||
| ||||
static rpmec | rpmecNew (const headerSprintfExtension exts) | |||
Create an extension cache. | ||||
static rpmec | rpmecFree (const headerSprintfExtension exts, rpmec ec) | |||
Destroy an extension cache. | ||||
static char * | headerSprintf (Header h, const char *fmt, const struct headerTagTableEntry_s *tbltags, const struct headerSprintfExtension_s *extensions, errmsg_t *errmsg) | |||
Return formatted output string from header tags. | ||||
static char * | octalFormat (int_32 type, hPTR_t data, char *formatPrefix, int padding, int element) | |||
| ||||
static char * | hexFormat (int_32 type, hPTR_t data, char *formatPrefix, int padding, int element) | |||
| ||||
static char * | realDateFormat (int_32 type, hPTR_t data, char *formatPrefix, int padding, int element, const char *strftimeFormat) | |||
static char * | dateFormat (int_32 type, hPTR_t data, char *formatPrefix, int padding, int element) | |||
| ||||
static char * | dayFormat (int_32 type, hPTR_t data, char *formatPrefix, int padding, int element) | |||
| ||||
static char * | shescapeFormat (int_32 type, hPTR_t data, char *formatPrefix, int padding, int element) | |||
| ||||
static void | headerCopyTags (Header headerFrom, Header headerTo, hTAG_t tagstocopy) | |||
Duplicate tag values from one header into another. | ||||
Variables | ||||
int | _hdr_debug = 0 | |||
static unsigned char | header_magic [8] | |||
static int | typeAlign [16] | |||
Alignment needed for header data types. | ||||
static int | typeSizes [16] | |||
Size of header data types. | ||||
static size_t | headerMaxbytes = (32*1024*1024) | |||
Maximum no. | ||||
HV_t | hdrVec | |||
Header methods for rpm headers. | ||||
headerSprintfExtension_s | headerDefaultFormats [] | |||
Supported default header tag output formats. | ||||
static struct HV_s | hdrVec1 | |||
HV_t | hdrVec = &hdrVec1 | |||
Header methods for rpm headers. |
Definition in file header.c.
#define hdrchkAlign | ( | _type, | |||
_off | ) | ((_off) & (typeAlign[_type]-1)) |
#define hdrchkData | ( | _nbytes | ) | ((_nbytes) & 0xff000000) |
#define hdrchkRange | ( | _dl, | |||
_off | ) | ((_off) < 0 || (_off) > (_dl)) |
#define hdrchkTags | ( | _ntags | ) | ((_ntags) & 0xffff0000) |
#define hdrchkType | ( | _type | ) | ((_type) < RPM_MIN_TYPE || (_type) > RPM_MAX_TYPE) |
#define PARSER_IN_ARRAY 1 |
#define PARSER_IN_EXPR 2 |
typedef struct headerSprintfArgs_s * headerSprintfArgs |
static void* _free | ( | const void * | p | ) | [inline, static] |
static void copyData | ( | int_32 | type, | |
void * | dstPtr, | |||
const void * | srcPtr, | |||
int_32 | cnt, | |||
int | dataLength | |||
) | [static] |
Definition at line 1797 of file header.c.
References RPM_I18NSTRING_TYPE, and RPM_STRING_ARRAY_TYPE.
Referenced by grabData().
Return length of entry data.
type | entry data type | |
p | entry data | |
count | entry item count | |
onDisk | data is concatenated strings (with NUL's))? | |
pend | pointer to end of data (or NULL) |
Definition at line 384 of file header.c.
References RPM_I18NSTRING_TYPE, RPM_STRING_ARRAY_TYPE, RPM_STRING_TYPE, and typeSizes.
Referenced by grabData(), and regionSwab().
static char* dateFormat | ( | int_32 | type, | |
hPTR_t | data, | |||
char * | formatPrefix, | |||
int | padding, | |||
int | element | |||
) | [static] |
type | tag type |
data | tag value | |
formatPrefix | sprintf format string | |
padding | no. additional bytes needed by format string | |
element | (unused) |
Definition at line 3615 of file header.c.
References _, and realDateFormat().
static char* dayFormat | ( | int_32 | type, | |
hPTR_t | data, | |||
char * | formatPrefix, | |||
int | padding, | |||
int | element | |||
) | [static] |
type | tag type |
data | tag value | |
formatPrefix | sprintf format string | |
padding | no. additional bytes needed by format string | |
element | (unused) |
Definition at line 3631 of file header.c.
References _, and realDateFormat().
static char escapedChar | ( | const char | ch | ) | [static] |
static indexEntry findEntry | ( | Header | h, | |
int_32 | tag, | |||
int_32 | type | |||
) | [static] |
Find matching (tag,type) entry in header.
h | header | |
tag | entry tag | |
type | entry type |
Definition at line 894 of file header.c.
References headerToken_s::flags, HEADERFLAG_SORTED, headerSort(), indexCmp(), indexEntry_s::info, RPM_NULL_TYPE, entryInfo_s::tag, and entryInfo_s::type.
Referenced by addMacro(), delMacro(), expandMacro(), headerFindI18NString(), headerGetRawEntry(), htGetEntry(), htHasEntry(), and intGetEntry().
static int findTag | ( | headerSprintfArgs | hsa, | |
sprintfToken | token, | |||
const char * | name | |||
) | [static] |
hsa | headerSprintf args |
Definition at line 2555 of file header.c.
References alloca(), sprintfToken_s::cond, sprintfTag_s::ext, ext, sprintfTag_s::extNum, headerSprintfArgs_s::exts, sprintfTag_s::fmt, HEADER_EXT_FORMAT, HEADER_EXT_LAST, HEADER_EXT_MORE, HEADER_EXT_TAG, myTagValue(), stpcpy(), sprintfTag_s::tag, sprintfToken_s::tag, headerSprintfArgs_s::tags, sprintfTag_s::type, sprintfToken_s::type, sprintfToken_s::u, and xstrcasecmp().
Referenced by parseExpression(), and parseFormat().
static char* formatValue | ( | headerSprintfArgs | hsa, | |
sprintfTag | tag, | |||
int | element | |||
) | [static] |
hsa | headerSprintf args |
tag | ||
element |
Definition at line 3030 of file header.c.
References _, _free(), sprintfTag_s::arrayCount, bin2hex(), headerSprintfArgs_s::ec, headerSprintfArgs_s::errmsg, sprintfTag_s::ext, sprintfTag_s::extNum, sprintfTag_s::fmt, sprintfTag_s::format, getExtension(), headerSprintfArgs_s::h, headerFreeData(), headerGetEntry(), hsaReserve(), sprintfTag_s::pad, RPM_BIN_TYPE, RPM_CHAR_TYPE, RPM_INT16_TYPE, RPM_INT32_TYPE, RPM_INT8_TYPE, RPM_STRING_ARRAY_TYPE, RPM_STRING_TYPE, stpcpy(), sprintfTag_s::tag, headerSprintfArgs_s::val, headerSprintfArgs_s::vallen, xmalloc(), and xstrdup().
Referenced by singleSprintf().
static sprintfToken freeFormat | ( | sprintfToken | format, | |
int | num | |||
) | [static] |
Destroy headerSprintf format array.
format | sprintf format array | |
num | number of elements |
Definition at line 2225 of file header.c.
References _free(), sprintfToken_s::array, sprintfToken_s::cond, and sprintfToken_s::u.
Referenced by parseExpression(), and parseFormat().
static int getExtension | ( | headerSprintfArgs | hsa, | |
headerTagTagFunction | fn, | |||
hTYP_t | typeptr, | |||
hPTR_t * | data, | |||
hCNT_t | countptr, | |||
rpmec | ec | |||
) | [static] |
Call a header extension only once, saving results.
hsa | headerSprintf args | |
fn |
*typeptr | ||
*data | ||
*countptr | ||
ec | extension cache |
Definition at line 3001 of file header.c.
References rpmec_s::avail, rpmec_s::count, rpmec_s::data, rpmec_s::freeit, headerSprintfArgs_s::h, and rpmec_s::type.
Referenced by formatValue(), and singleSprintf().
Return (malloc'ed) copy of entry data.
type | entry data type | |
p | entry data | |
c | entry item count |
lengthPtr | no. bytes in returned data |
Definition at line 1837 of file header.c.
References copyData(), dataLength(), and xmalloc().
static char* headerFindI18NString | ( | Header | h, | |
indexEntry | entry | |||
) | [static] |
Return i18n string from header that matches locale.
h | header | |
entry | i18n string data |
Definition at line 1605 of file header.c.
References indexEntry_s::data, findEntry(), getenv(), HEADER_I18NTABLE, headerMatchLocale(), lang, and RPM_STRING_ARRAY_TYPE.
Referenced by intGetEntry().
Definition at line 1771 of file header.c.
References copyEntry(), findEntry(), headerIsEntry(), and RPM_NULL_TYPE.
Referenced by headerGetLangs().
static int headerMatchLocale | ( | const char * | td, | |
const char * | l, | |||
const char * | le | |||
) | [static] |
Does locale match entry in header i18n table?
* The range [l,le) contains the next locale to match: * ll[_CC][.EEEEE][@dddd] * where * ll ISO language code (in lowercase). * CC (optional) ISO coutnry code (in uppercase). * EEEEE (optional) encoding (not really standardized). * dddd (optional) dialect. *
td | header i18n table data, NUL terminated | |
l | start of locale to match | |
le | end of locale to match |
Definition at line 1532 of file header.c.
References alloca().
Referenced by headerFindI18NString().
static headerSprintfArgs hsaFini | ( | headerSprintfArgs | hsa | ) | [static] |
Finish an hsa iteration.
hsa | headerSprintf args |
Definition at line 2471 of file header.c.
References headerFreeIterator(), headerSprintfArgs_s::hi, and headerSprintfArgs_s::i.
static headerSprintfArgs hsaInit | ( | headerSprintfArgs | hsa | ) | [static] |
Initialize an hsa iteration.
hsa | headerSprintf args |
Definition at line 2407 of file header.c.
References sprintfToken_s::array, headerSprintfArgs_s::format, headerSprintfArgs_s::h, headerInitIterator(), headerSprintfArgs_s::hi, headerSprintfArgs_s::i, sprintfTag_s::tag, sprintfToken_s::tag, sprintfToken_s::type, and sprintfToken_s::u.
static sprintfToken hsaNext | ( | headerSprintfArgs | hsa | ) | [static] |
Return next hsa iteration item.
hsa | headerSprintf args |
Definition at line 2433 of file header.c.
References sprintfToken_s::array, headerSprintfArgs_s::format, headerNextIterator(), headerSprintfArgs_s::hi, headerSprintfArgs_s::i, headerSprintfArgs_s::numTokens, sprintfTag_s::tag, sprintfToken_s::tag, sprintfToken_s::type, and sprintfToken_s::u.
static char* hsaReserve | ( | headerSprintfArgs | hsa, | |
size_t | need | |||
) | [static] |
Reserve sufficient buffer space for next output value.
hsa | headerSprintf args | |
need | no. of bytes to reserve |
Definition at line 2490 of file header.c.
References headerSprintfArgs_s::alloced, headerSprintfArgs_s::val, headerSprintfArgs_s::vallen, and xrealloc().
Referenced by formatValue(), and singleSprintf().
static int indexCmp | ( | const void * | avp, | |
const void * | bvp | |||
) | [static] |
Definition at line 247 of file header.c.
References indexEntry_s::info, and entryInfo_s::tag.
Referenced by findEntry().
static int intGetEntry | ( | Header | h, | |
int_32 | tag, | |||
hTAG_t | type, | |||
hPTR_t * | p, | |||
hCNT_t | c, | |||
int | minMem | |||
) | [static] |
Retrieve tag data from header.
h | header | |
tag | tag to retrieve |
type | address of type (or NULL) | |
p | address of data (or NULL) | |
c | address of count (or NULL) |
minMem | string pointers reference header memory? |
Definition at line 1661 of file header.c.
References copyEntry(), findEntry(), headerFindI18NString(), indexEntry_s::info, RPM_I18NSTRING_TYPE, RPM_NULL_TYPE, RPM_STRING_TYPE, and entryInfo_s::type.
static const char* myTagName | ( | headerTagTableEntry | tbl, | |
int | val | |||
) | [static] |
Return tag name from value.
tbl | tag table | |
val | tag value to find |
Definition at line 2510 of file header.c.
References headerTagTableEntry_s::name, headerTagTableEntry_s::val, and xtolower().
Referenced by singleSprintf().
static int myTagValue | ( | headerTagTableEntry | tbl, | |
const char * | name | |||
) | [static] |
Return tag value from name.
Definition at line 2539 of file header.c.
References headerTagTableEntry_s::name, headerTagTableEntry_s::val, and xstrcasecmp().
Referenced by findTag().
static int offsetCmp | ( | const void * | avp, | |
const void * | bvp | |||
) | [static] |
Definition at line 274 of file header.c.
References indexEntry_s::data, indexEntry_s::info, entryInfo_s::offset, and entryInfo_s::tag.
static int parseExpression | ( | headerSprintfArgs | hsa, | |
sprintfToken | token, | |||
char * | str, | |||
char ** | endPtr | |||
) | [static] |
hsa | headerSprintf args |
token | ||
str |
*endPtr |
Definition at line 2892 of file header.c.
References _, sprintfToken_s::cond, headerSprintfArgs_s::errmsg, findTag(), freeFormat(), parseFormat(), PARSER_IN_EXPR, sprintfToken_s::type, and sprintfToken_s::u.
Referenced by parseFormat().
static int parseFormat | ( | headerSprintfArgs | hsa, | |
char * | str, | |||
sprintfToken * | formatPtr, | |||
int * | numTokensPtr, | |||
char ** | endPtr, | |||
int | state | |||
) | [static] |
hsa | headerSprintf args |
str |
*formatPtr | ||
*numTokensPtr | ||
*endPtr |
state |
Definition at line 2640 of file header.c.
References _, sprintfToken_s::array, sprintfTag_s::arrayCount, headerSprintfArgs_s::errmsg, escapedChar(), findTag(), sprintfTag_s::format, freeFormat(), sprintfTag_s::justOne, next, sprintfTag_s::pad, parseExpression(), PARSER_IN_ARRAY, PARSER_IN_EXPR, sprintfToken_s::string, strtoul, sprintfToken_s::tag, sprintfTag_s::type, sprintfToken_s::type, sprintfToken_s::u, xcalloc(), and xisdigit().
Referenced by parseExpression().
static char* realDateFormat | ( | int_32 | type, | |
hPTR_t | data, | |||
char * | formatPrefix, | |||
int | padding, | |||
int | element, | |||
const char * | strftimeFormat | |||
) | [static] |
Definition at line 3574 of file header.c.
References _, RPM_INT32_TYPE, xmalloc(), and xstrdup().
Referenced by dateFormat(), and dayFormat().
static rpmec rpmecFree | ( | const headerSprintfExtension | exts, | |
rpmec | ec | |||
) | [static] |
Destroy an extension cache.
exts | headerSprintf extensions | |
ec | extension cache |
Definition at line 3401 of file header.c.
References _free(), rpmec_s::data, ext, HEADER_EXT_LAST, and HEADER_EXT_MORE.
static rpmec rpmecNew | ( | const headerSprintfExtension | exts | ) | [static] |
Create an extension cache.
exts | headerSprintf extensions |
Definition at line 3377 of file header.c.
References ext, HEADER_EXT_LAST, HEADER_EXT_MORE, and xcalloc().
static char* shescapeFormat | ( | int_32 | type, | |
hPTR_t | data, | |||
char * | formatPrefix, | |||
int | padding, | |||
int | element | |||
) | [static] |
type | tag type |
data | tag value | |
formatPrefix | sprintf format string | |
padding | no. additional bytes needed by format string | |
element | (unused) |
Definition at line 3647 of file header.c.
References alloca(), RPM_INT32_TYPE, and xmalloc().
static char* singleSprintf | ( | headerSprintfArgs | hsa, | |
sprintfToken | token, | |||
int | element | |||
) | [static] |
hsa | headerSprintf args |
token | ||
element |
Definition at line 3215 of file header.c.
References _, sprintfToken_s::array, sprintfTag_s::arrayCount, sprintfToken_s::cond, headerSprintfArgs_s::errmsg, sprintfTag_s::ext, sprintfTag_s::extNum, formatValue(), getExtension(), headerSprintfArgs_s::h, headerGetEntry(), headerIsEntry(), hsaReserve(), sprintfTag_s::justOne, myTagName(), RPM_BIN_TYPE, RPM_STRING_TYPE, stpcpy(), sprintfToken_s::string, sprintfTag_s::tag, sprintfToken_s::tag, headerSprintfArgs_s::tags, sprintfTag_s::type, sprintfToken_s::type, sprintfToken_s::u, headerSprintfArgs_s::val, and headerSprintfArgs_s::vallen.
int _hdr_debug = 0 |